b5334d14f7
Happy new year to the wonderful Godot community!
2020 has been a tough year for most of us personally, but a good year for
Godot development nonetheless with a huge amount of work done towards Godot
4.0 and great improvements backported to the long-lived 3.2 branch.
We've had close to 400 contributors to engine code this year, authoring near
7,000 commit! (And that's only for the `master` branch and for the engine code,
there's a lot more when counting docs, demos and other first-party repos.)
Here's to a great year 2021 for all Godot users 🎆
394 lines
11 KiB
C++
394 lines
11 KiB
C++
/*************************************************************************/
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/* dir_access_windows.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#if defined(WINDOWS_ENABLED)
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#include "dir_access_windows.h"
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#include "core/os/memory.h"
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#include "core/string/print_string.h"
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#include <stdio.h>
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#include <wchar.h>
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#include <windows.h>
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/*
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[03:57] <reduz> yessopie, so i don't havemak to rely on unicows
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[03:58] <yessopie> reduz- yeah, all of the functions fail, and then you can call GetLastError () which will return 120
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[03:58] <drumstick> CategoryApl, hehe, what? :)
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[03:59] <CategoryApl> didn't Verona lead to some trouble
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[03:59] <yessopie> 120 = ERROR_CALL_NOT_IMPLEMENTED
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[03:59] <yessopie> (you can use that constant if you include winerr.h)
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[03:59] <CategoryApl> well answer with winning a compo
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[04:02] <yessopie> if ( SetCurrentDirectoryW ( L"." ) == FALSE && GetLastError () == ERROR_CALL_NOT_IMPLEMENTED ) { use ANSI }
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*/
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struct DirAccessWindowsPrivate {
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HANDLE h; //handle for findfirstfile
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WIN32_FIND_DATA f;
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WIN32_FIND_DATAW fu; //unicode version
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};
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// CreateFolderAsync
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Error DirAccessWindows::list_dir_begin() {
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_cisdir = false;
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_cishidden = false;
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list_dir_end();
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p->h = FindFirstFileExW((LPCWSTR)(String(current_dir + "\\*").utf16().get_data()), FindExInfoStandard, &p->fu, FindExSearchNameMatch, nullptr, 0);
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if (p->h == INVALID_HANDLE_VALUE) {
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return ERR_CANT_OPEN;
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}
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return OK;
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}
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String DirAccessWindows::get_next() {
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if (p->h == INVALID_HANDLE_VALUE) {
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return "";
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}
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_cisdir = (p->fu.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
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_cishidden = (p->fu.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN);
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String name = String::utf16((const char16_t *)(p->fu.cFileName));
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if (FindNextFileW(p->h, &p->fu) == 0) {
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FindClose(p->h);
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p->h = INVALID_HANDLE_VALUE;
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}
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return name;
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}
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bool DirAccessWindows::current_is_dir() const {
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return _cisdir;
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}
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bool DirAccessWindows::current_is_hidden() const {
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return _cishidden;
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}
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void DirAccessWindows::list_dir_end() {
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if (p->h != INVALID_HANDLE_VALUE) {
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FindClose(p->h);
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p->h = INVALID_HANDLE_VALUE;
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}
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}
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int DirAccessWindows::get_drive_count() {
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return drive_count;
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}
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String DirAccessWindows::get_drive(int p_drive) {
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if (p_drive < 0 || p_drive >= drive_count) {
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return "";
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}
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return String::chr(drives[p_drive]) + ":";
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}
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Error DirAccessWindows::change_dir(String p_dir) {
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GLOBAL_LOCK_FUNCTION
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p_dir = fix_path(p_dir);
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WCHAR real_current_dir_name[2048];
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GetCurrentDirectoryW(2048, real_current_dir_name);
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String prev_dir = String::utf16((const char16_t *)real_current_dir_name);
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SetCurrentDirectoryW((LPCWSTR)(current_dir.utf16().get_data()));
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bool worked = (SetCurrentDirectoryW((LPCWSTR)(p_dir.utf16().get_data())) != 0);
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String base = _get_root_path();
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if (base != "") {
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GetCurrentDirectoryW(2048, real_current_dir_name);
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String new_dir = String::utf16((const char16_t *)real_current_dir_name).replace("\\", "/");
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if (!new_dir.begins_with(base)) {
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worked = false;
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}
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}
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if (worked) {
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GetCurrentDirectoryW(2048, real_current_dir_name);
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current_dir = String::utf16((const char16_t *)real_current_dir_name);
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current_dir = current_dir.replace("\\", "/");
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}
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SetCurrentDirectoryW((LPCWSTR)(prev_dir.utf16().get_data()));
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return worked ? OK : ERR_INVALID_PARAMETER;
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}
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Error DirAccessWindows::make_dir(String p_dir) {
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GLOBAL_LOCK_FUNCTION
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p_dir = fix_path(p_dir);
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if (p_dir.is_rel_path()) {
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p_dir = current_dir.plus_file(p_dir);
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}
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p_dir = p_dir.replace("/", "\\");
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bool success;
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int err;
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p_dir = "\\\\?\\" + p_dir; //done according to
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// https://msdn.microsoft.com/en-us/library/windows/desktop/aa363855(v=vs.85).aspx
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success = CreateDirectoryW((LPCWSTR)(p_dir.utf16().get_data()), nullptr);
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err = GetLastError();
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if (success) {
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return OK;
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}
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if (err == ERROR_ALREADY_EXISTS || err == ERROR_ACCESS_DENIED) {
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return ERR_ALREADY_EXISTS;
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}
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return ERR_CANT_CREATE;
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}
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String DirAccessWindows::get_current_dir(bool p_include_drive) {
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String base = _get_root_path();
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if (base != "") {
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String bd = current_dir.replace("\\", "/").replace_first(base, "");
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if (bd.begins_with("/")) {
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return _get_root_string() + bd.substr(1, bd.length());
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} else {
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return _get_root_string() + bd;
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}
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}
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if (p_include_drive) {
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return current_dir;
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} else {
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if (_get_root_string() == "") {
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int p = current_dir.find(":");
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if (p != -1) {
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return current_dir.right(p + 1);
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}
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}
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return current_dir;
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}
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}
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bool DirAccessWindows::file_exists(String p_file) {
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GLOBAL_LOCK_FUNCTION
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if (!p_file.is_abs_path()) {
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p_file = get_current_dir().plus_file(p_file);
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}
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p_file = fix_path(p_file);
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DWORD fileAttr;
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fileAttr = GetFileAttributesW((LPCWSTR)(p_file.utf16().get_data()));
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if (INVALID_FILE_ATTRIBUTES == fileAttr) {
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return false;
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}
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return !(fileAttr & FILE_ATTRIBUTE_DIRECTORY);
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}
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bool DirAccessWindows::dir_exists(String p_dir) {
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GLOBAL_LOCK_FUNCTION
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if (p_dir.is_rel_path()) {
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p_dir = get_current_dir().plus_file(p_dir);
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}
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p_dir = fix_path(p_dir);
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DWORD fileAttr;
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fileAttr = GetFileAttributesW((LPCWSTR)(p_dir.utf16().get_data()));
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if (INVALID_FILE_ATTRIBUTES == fileAttr) {
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return false;
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}
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return (fileAttr & FILE_ATTRIBUTE_DIRECTORY);
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}
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Error DirAccessWindows::rename(String p_path, String p_new_path) {
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if (p_path.is_rel_path()) {
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p_path = get_current_dir().plus_file(p_path);
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}
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p_path = fix_path(p_path);
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if (p_new_path.is_rel_path()) {
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p_new_path = get_current_dir().plus_file(p_new_path);
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}
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p_new_path = fix_path(p_new_path);
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// If we're only changing file name case we need to do a little juggling
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if (p_path.to_lower() == p_new_path.to_lower()) {
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WCHAR tmpfile[MAX_PATH];
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if (!GetTempFileNameW((LPCWSTR)(fix_path(get_current_dir()).utf16().get_data()), nullptr, 0, tmpfile)) {
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return FAILED;
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}
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if (!::ReplaceFileW(tmpfile, (LPCWSTR)(p_path.utf16().get_data()), nullptr, 0, nullptr, nullptr)) {
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DeleteFileW(tmpfile);
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return FAILED;
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}
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return ::_wrename(tmpfile, (LPCWSTR)(p_new_path.utf16().get_data())) == 0 ? OK : FAILED;
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} else {
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if (file_exists(p_new_path)) {
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if (remove(p_new_path) != OK) {
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return FAILED;
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}
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}
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return ::_wrename((LPCWSTR)(p_path.utf16().get_data()), (LPCWSTR)(p_new_path.utf16().get_data())) == 0 ? OK : FAILED;
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}
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}
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Error DirAccessWindows::remove(String p_path) {
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if (p_path.is_rel_path()) {
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p_path = get_current_dir().plus_file(p_path);
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}
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p_path = fix_path(p_path);
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DWORD fileAttr;
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fileAttr = GetFileAttributesW((LPCWSTR)(p_path.utf16().get_data()));
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if (INVALID_FILE_ATTRIBUTES == fileAttr) {
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return FAILED;
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}
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if ((fileAttr & FILE_ATTRIBUTE_DIRECTORY)) {
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return ::_wrmdir((LPCWSTR)(p_path.utf16().get_data())) == 0 ? OK : FAILED;
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} else {
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return ::_wunlink((LPCWSTR)(p_path.utf16().get_data())) == 0 ? OK : FAILED;
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}
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}
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/*
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FileType DirAccessWindows::get_file_type(const String& p_file) const {
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WCHAR real_current_dir_name[2048];
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GetCurrentDirectoryW(2048, real_current_dir_name);
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String prev_dir = Strong::utf16((const char16_t *)real_current_dir_name);
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bool worked = SetCurrentDirectoryW((LPCWSTR)(current_dir.utf16().get_data()));
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DWORD attr;
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if (worked) {
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WIN32_FILE_ATTRIBUTE_DATA fileInfo;
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attr = GetFileAttributesExW((LPCWSTR)(p_file.utf16().get_data()), GetFileExInfoStandard, &fileInfo);
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}
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SetCurrentDirectoryW((LPCWSTR)(prev_dir.utf16().get_data()));
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if (!worked) {
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return FILE_TYPE_NONE;
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}
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return (attr & FILE_ATTRIBUTE_DIRECTORY) ? FILE_TYPE_
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}
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*/
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size_t DirAccessWindows::get_space_left() {
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uint64_t bytes = 0;
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if (!GetDiskFreeSpaceEx(nullptr, (PULARGE_INTEGER)&bytes, nullptr, nullptr)) {
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return 0;
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}
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//this is either 0 or a value in bytes.
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return (size_t)bytes;
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}
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String DirAccessWindows::get_filesystem_type() const {
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String path = fix_path(const_cast<DirAccessWindows *>(this)->get_current_dir());
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int unit_end = path.find(":");
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ERR_FAIL_COND_V(unit_end == -1, String());
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String unit = path.substr(0, unit_end + 1) + "\\";
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WCHAR szVolumeName[100];
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WCHAR szFileSystemName[10];
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DWORD dwSerialNumber = 0;
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DWORD dwMaxFileNameLength = 0;
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DWORD dwFileSystemFlags = 0;
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if (::GetVolumeInformationW((LPCWSTR)(unit.utf16().get_data()),
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szVolumeName,
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sizeof(szVolumeName),
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&dwSerialNumber,
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&dwMaxFileNameLength,
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&dwFileSystemFlags,
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szFileSystemName,
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sizeof(szFileSystemName)) == TRUE) {
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return String::utf16((const char16_t *)szFileSystemName);
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}
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ERR_FAIL_V("");
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}
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DirAccessWindows::DirAccessWindows() {
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p = memnew(DirAccessWindowsPrivate);
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p->h = INVALID_HANDLE_VALUE;
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current_dir = ".";
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#ifdef UWP_ENABLED
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Windows::Storage::StorageFolder ^ install_folder = Windows::ApplicationModel::Package::Current->InstalledLocation;
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change_dir(install_folder->Path->Data());
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#else
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DWORD mask = GetLogicalDrives();
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for (int i = 0; i < MAX_DRIVES; i++) {
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if (mask & (1 << i)) { //DRIVE EXISTS
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drives[drive_count] = 'A' + i;
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drive_count++;
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}
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}
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change_dir(".");
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#endif
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}
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DirAccessWindows::~DirAccessWindows() {
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memdelete(p);
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}
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#endif //windows DirAccess support
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